Improved bmok-pbess



No. 68,494. 'PATENTBD SEPT. 3, 1867. W.L. BRAKE,

BRICK PRESS,

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w. L. 'D11 AK E, o F s'r U Re Ijs, 'Y M'I C H IcwfrN Leiters Pntcnt'-No. 08,494, ruicd S'cptlmber 3, 1867.

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.Be it k'rioivnthnt I, W. L. DBAKE, of Sturgis,in the county of .SL :loseph,; aud4 VStuteiof Michigan; have invented c new and improved- BriekvPg-esnond that-.fthe followingv description, 'teken' in connection-,with the 'accompanying drawings hereineiter referred to,. i`erfznsV a full and exact 'specification of the sume, wherein I` have set -forth the nature and prineplesof my said imp roi'ements, by'` which' my invention muy be distinguished from all others ein similar class, together with 'such parts -us I claim, and desire` to have securedto me-by LettcrsePutent. e v

This in veutiourelntes to o new sndilnproved machine for pressing bricks afier being lmoulded-,- either'by machinery or oy hand, .and'vvheu suiciently dry orhlrd'to receive and retainl eu'iinpressiomf The object ofthe invention is to give the; briolrs n perfect shape," sharppriangular'cornergand lso give laying o wall.` Inthe accompanying sheet of dryings-- A Figure' 1 is aisidesectionolview of my.iu\'ention, taken inthe line fr', iig.' 2..' Figure 2, o plan or top -vieiv of the samcg, f Figure 3,11. section of s portion of the same, taken in the liney y, fig. 2.

Similar lettersfof reference indicate "like-ports.4 A f i A represents a framing or support', constructed in any proper manner, to' sustainA the'vrorlcing parts, and- B is a. shaft, placed trausverselyion seid framing, and-ttedin .suitable bearings C, 4the'ho'xes a offvvhich one side n concave surface, which' is desirebleinvorder to for!!! interstiees toii-ecei'veand Shold the mortar in hovelndinrubher or othersuitnble elastic m'eteriul' behind tl'sm,.to adn'iit-'of .n lateral yieldiig movement'of. the-`shsft when necessary. 0n the shaft 'B there isf-firmly keyed, or otherwisef secured,'a double' cmjD, n

formed by having an irregular curved, groove,- c, made Ailroue sido of a siiniler llnped'plate, thegroove forming two cam surfaces d Vd ',`one of' vghiolnd, {c ts aggiusta friction-oller,` c, iu fn '.plungcr, E, and 'givesa shoving Y motion to the plunger, and the otbery d', works over another friction-roller, e, atta`obed` to the: same plunger,l

and draws the latter beck, the surface d being a lip, whioh'works over 'or in frontofthe roller e", th'e'lellzer4 being within the Agroove c.- The'plung'er -Iliiworks in e box, F, on the framing A. Thenuter end o 'fi this box.

is open, ende'slide orjstop G works vertically inithetv'reen guidesjji This slide or s top extends 'entirely y across the box und'ithes a her, a'ttnched to it'npp'er end, th'e 'ends of the hnrprojectiug out beyond the sides offthe slide ir-stop, and having vertical rods'Il-Irattic'hed to it which extudldovvn through the sides of the box,`end are connected at their lower endsby a but, HQ On the shaft #there is keyed, or'v'otherwis'e lsecured, a cam, I, 'which acts' againstva lever, J, in the framin`g"-A aud'oanses seid lever, et the proper time, to

throw up the slide' or stop G, the latter falling, by virtue of its own gravity, when th'elever J ceases to act upon it.. In the top of the box F there ison openingg', through which' the bricks' .to'be operated `upon are fedintothebcr,' 1`

The bricks are pressed one ata time, the slide or'stolr being flown,- :ind foruiing :cheering for 'one side o2- the brick, while the plqngerE'sotsagninst the opposite side,fandfvrhen the plunger E hes `been irced forward a requisite distance t`sbjeotthc brick to tho required pressure, the carnI iets against the lever J, which i throws up the slide or stop G, and allows Atho'plunger to fo'rc t'li'ebriclrb'eyond the "slide orstop, the latter,- as" soonl as the plunger isdrawu bock', dropping so s s .to be readyto serve esnhearing for ille succeeding brick.

Thefoc'c of the. plunger E is provided vvitha raised pawlor projectiugsurfu'ce, j, to'give the'sdes-o. the brick with which it comes in contact, fo concave' surfgce, and'slso to insure tho -iilli'ng'out of' the bricks s t'their angles or corners. This will be fully understood by referringvio iig. 1.'

In cnseofe brick being rather too thick for thestroke of. the plunger Efthe shoft B, by ineens jef the v springs or elastic-substances b b,`is allowed to yield or give so este' enable the c'am to col'nplete its revolution without subjecting it or the .plunger 'to any' undue strain or pressure. -The pressed bricks are curriedfroui the machine b5' en endlessapron, K, shown in red in fig.. 1.

Hoving thus described my iuvention, I c'laiuifes new, and desir'o to secure by Leters Patent- The' box F o 'nd plunger E, iu combination xvitlitbc slide or stop G, arranged to operate in thefmcnner substantially as and foi-the purpose set fort Witnessesz- CRrnrLLxoN Jueces,- IRA F. PACKARD. 

